{"id":251671,"date":"2023-02-27T11:00:05","date_gmt":"2023-02-27T11:00:05","guid":{"rendered":"\/forum\/forums\/topic\/topology-optimization-maximize-stiffness-with-mass-and-stress-constraints\/"},"modified":"2023-02-27T11:00:05","modified_gmt":"2023-02-27T11:00:05","slug":"topology-optimization-maximize-stiffness-with-mass-and-stress-constraints","status":"closed","type":"topic","link":"https:\/\/innovationspace.ansys.com\/forum\/forums\/topic\/topology-optimization-maximize-stiffness-with-mass-and-stress-constraints\/","title":{"rendered":"Topology Optimization &#8211; maximize stiffness with mass and stress constraints"},"content":{"rendered":"<p>Hi everyone,<\/p>\n<p>I&#8217;m performing topology optimization on a vessel subjected to 3D loads, so it is not possible to simplify the analysis. In particular I have the cylindrical shape (with a predefined initial thickness) and I&#8217;m interested in defining the best material distribution around it with the less material as possible, maximizing the stiffness and keeping the stress below the yield stress.&nbsp;<\/p>\n<p>I run different topology simulation with different mass constraints and constant stress constraint; I noticed that some combinations of mass and stress (stress is constant) converge, while others have a very slow convergence history and the solutions do not change appreciably between iterations.&nbsp;<\/p>\n<p>Can anyone explain why or suggest some references?<\/p>\n<p>Thanks a lot for helping me!<\/p>\n","protected":false},"template":"","class_list":["post-251671","topic","type-topic","status-closed","hentry"],"aioseo_notices":[],"acf":[],"custom_fields":[{"0":{"_bbp_subscription":["32611","99"],"_bbp_author_ip":["23.220.96.180"]," _bbp_last_reply_id":["0"]," _bbp_likes_count":["0"],"_btv_view_count":["1004"],"_edit_lock":["1677496569:76739"],"_bbp_topic_status":["unanswered"],"_bbp_status":["publish"],"_bbp_topic_id":["251671"],"_bbp_forum_id":["27791"],"_bbp_engagement":["99","32611"],"_bbp_voice_count":["2"],"_bbp_reply_count":["2"],"_bbp_last_reply_id":["252160"],"_bbp_last_active_id":["252160"],"_bbp_last_active_time":["2023-03-01 15:41:39"]},"test":"simone-delnerounitus-it"}],"_links":{"self":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/251671","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics"}],"about":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/types\/topic"}],"version-history":[{"count":0,"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/topics\/251671\/revisions"}],"wp:attachment":[{"href":"https:\/\/innovationspace.ansys.com\/forum\/wp-json\/wp\/v2\/media?parent=251671"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}